Feminine dossier · first seen 1890
Synthia
Stable Decline
Gradual decline from 1965
Peak era
1965
Peak births
67
Current vitality
Rare
Peak generation
Gen X
Quick answers about Synthia
How many people are named Synthia?
An estimated 2,052 living Americans are named Synthia.
How rare is Synthia?
Synthia is very rare among babies today, with 7 girls receiving the name in 2025, down 89.6% from its 1965 peak.
How old is the typical Synthia?
The median age of a living American named Synthia is approximately 43 years, with most bearers falling between 29 and 60 years old.
Is Synthia still popular?
Not especially. Synthia has been declining since its 1965 peak and registered 7 births in 2025.
Where is Synthia most common?
Synthia has its strongest geographic signal in California, where it appears 1.6× more often than the national baseline.
1890Peak 19652025
Peak year
1965
Decline from peak
89.6%
2025
7
All-time
2,428
Where it lives now
Synthia is most concentrated in California — about 1.6× the national rate in the 1990s.
States where Synthia is given more often than the national average — its present-day heartland.